CN109461570A - A kind of damping unit - Google Patents
A kind of damping unit Download PDFInfo
- Publication number
- CN109461570A CN109461570A CN201811300043.6A CN201811300043A CN109461570A CN 109461570 A CN109461570 A CN 109461570A CN 201811300043 A CN201811300043 A CN 201811300043A CN 109461570 A CN109461570 A CN 109461570A
- Authority
- CN
- China
- Prior art keywords
- coil
- resistor coil
- damping unit
- reactor winding
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 48
- 239000004020 conductor Substances 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/021—Current limitation using saturable reactors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention discloses a kind of damping unit, including reactor winding and resistor coil, resistor coil winding is in the outside of reactor winding or winding coil of reactor in the outside of resistor coil, reactor winding and resistor coil are provided with encapsulated layer, the leading-out terminal of reactor winding is connected with the leading-out terminal of resistor coil, the junction is leading-out terminal in parallel, on resistor coil and is located between the end of incoming cables and leading-out terminal of resistor coil and is provided with series connection outlet terminal.Reactor winding of the invention is structure-integrated together with resistor coil winding, and spatial volume is small, advantageously reduces production cost and is suitble to layout in cabinet.
Description
Technical field
The present invention relates to electric power system power distribution equipment current limiting technique fields, and in particular to a kind of damping unit.
Background technique
China's distribution network construction is seriously lagged with respect to power transmission network, and rack weakness, facility aging, line footpath is small and route is long
(especially mountain village route), distribution transformer quantity is more, or even has the motor of more large capacities compared with multi-line or change fast
The industrial load of speed, often leads to that line end voltage is low, Voltage Drop is serious.
To solve the above-mentioned problems, series compensation device can be installed additional on 10kV route.Fig. 1 is please referred to, currently, series connection
The parallel circuit including capacitor group 3 and resistance voltage limiter 4 of compensation device, in the parallel connection of capacitor group 3 and resistance voltage limiter 4
Circuit both ends are parallel with the series circuit including damping unit 5 and discharge switch, the parallel connection of capacitor group 3 and resistance voltage limiter 4
Circuit both ends are also respectively connected with series connection disconnecting switch 2, and the both ends of disconnecting switch 2 are connected with bypass isolating switch 1.Damping unit 5
In discharge switch movement, the discharge current of simultaneously damped capacitor group 3 is limited, capacitor group 3, spark gap and switch etc. are prevented
Equipment is damaged during discharge.There are 5 power consumption mistakes of damping unit in the practical engineering application of distribution line for series compensation device
Big problem.Since damping unit 5 must use hollow structure, in order to avoid 5 power consumption of damping unit is excessive, damping unit 5
Volume can be very big, causes production cost higher.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of damping unit, big for solving existing damping unit volume
The problem of leading to high production cost.
The contents of the present invention are as follows:
A kind of damping unit, including reactor winding and resistor coil, resistor coil winding is in reactor winding
Outside or winding coil of reactor are provided with encapsulated layer in the outside of resistor coil, reactor winding and resistor coil,
The leading-out terminal of reactor winding is connected with the leading-out terminal of resistor coil, which is leading-out terminal in parallel, on resistor coil
And it is located between the end of incoming cables and leading-out terminal of resistor coil and is provided with series connection outlet terminal.
Preferably, the first confluence frame, the reactance are provided with above the reactor winding and the resistor coil
It is provided with the second confluence frame below device coil and the resistor coil, converges and is connected between frame and coil by insulating barrier
It connects, the end of incoming cables of the end of incoming cables of the reactor winding and/or the resistor coil is connect with the first confluence frame, the parallel connection
Leading-out terminal is connect with the second confluence frame.
Preferably, the height of the insulating barrier is adjustable.
Preferably, the second confluence frame is provided with supporting insulator far from the side of coil.
Preferably, insulating stay is provided between the reactor winding and the resistor coil.
Preferably, the resistor coil includes the resistive conductor of at least one layer of both forward and reverse directions helically coiling, and same layer is positive and negative
It is provided with insulating layer between the resistive conductor of direction, encapsulated layer or insulating layer, upper one layer of resistance are provided between adjacent two layers resistive conductor
The leading-out terminal of line is connected with the end of incoming cables of next layer of resistive conductor.
Preferably, the infall of every layer of positive and negative resistive conductor is arranged in the series connection outlet terminal.
Preferably, the insulating layer is using insulation heat proof material.
Further, the insulating layer uses H class B insulation heat proof material.
Preferably, the encapsulated layer is integrally formed using the solidification of expoxy glass yarn.
The invention has the benefit that reactor winding of the invention is together with resistor coil winding, structural integrity
Change, spatial volume is small, advantageously reduces production cost and is suitble to layout in cabinet.
Detailed description of the invention
Fig. 1 show distribution series compensation device main wiring diagram in the prior art；
Fig. 2 show the electrical connection diagram of preferred embodiment；
Fig. 3 show the overall construction drawing of present pre-ferred embodiments；
Fig. 4 show the resistor coil inside connection figure of preferred embodiment；
Fig. 5 show the resistor coil inside coiling schematic diagram of preferred embodiment；
Fig. 6 show the overall construction drawing of preferred embodiment.
Specific embodiment
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Referring to figure 2. and Fig. 3, a kind of damping unit disclosed in the present embodiment, including reactor winding 11 and resistor line
Circle 12, resistor coil 12 is wound on the outside of reactor winding 11 or reactor winding 11 is wound on the outer of resistor coil 12
Side, the resistor coil 12 of the present embodiment are wound on the outside of reactor winding 11, reactor winding 11 and resistor coil 12
It is provided with encapsulated layer, insulating stay 16 is provided between reactor winding 11 and resistor coil 12, insulating stay 16 is distributed
Or be evenly arranged between reactor winding 11 and inductor coil, insulating stay 16 is for being isolated reactor winding 11 and reactor line
Circle 11, and improve the radiating efficiency of reactor winding 11 and resistor coil 12.The leading-out terminal and resistance of reactor winding 11
The leading-out terminal of device coil 12 is connected, which is leading-out terminal in parallel, on resistor coil 12 and is located at resistor coil 12
Series connection outlet terminal 13-3 is provided between end of incoming cables and leading-out terminal.According to practical application, when reactor winding 11 and resistor
When coil 12 is at parallel relationship, the end of incoming cables of reactor winding 11 can connect with the end of incoming cables of resistor coil 12 together with group
Enter to hold A at the lead of whole device, the parallel connection leading-out terminal is the lead parallel connection outlet B of whole device；When reactor winding 11
When with resistor coil 12 at series relationship, the end of incoming cables of reactor winding 11 is that the lead of whole device enters to hold A, the series connection
Outlet terminal 13-3 be whole device lead connect outlet C, the present embodiment it is structure-integrated, spatial volume is small, can reduce
Production cost is suitble to layout in cabinet.
Referring to figure 4. and Fig. 5, the resistor coil 12 include the resistive conductor of at least one layer of both forward and reverse directions helically coiling,
The number of plies of resistive conductor can determine that the series connection outlet terminal 13-3 is arranged at every layer just according to the size of engineering discharge current
The infall of reverse resistance line realizes the adjustable of resistance.The resistive conductor both forward and reverse directions helically coiling of each layer of the present embodiment, it is whole
Magnetic linkage is zero, and leakage inductance is negligible, whole to embody " pure resistance " characteristic.Resistive conductor is made of nichrome, nichrome
The resistivity of resistive conductor is big, and coiling is small in size, can bear the high temperature of thousands of degree, guarantees thermostabilization of the resistive conductor under discharge current
Property performance, have excellent impact resistance.Insulating layer is provided between same layer both forward and reverse directions resistive conductor, insulating layer is using exhausted
Edge heat proof material, in order to reach better effect, which can use H class B insulation heat proof material, it is ensured that resistive conductor
Thermal stability performance under discharge current.It is provided with encapsulated layer or heat-resistant insulating layer between adjacent two layers resistive conductor, upper one layer
The leading-out terminal of resistive conductor is connected with the end of incoming cables of next layer of resistive conductor.
Referring to figure 2. and Fig. 6, described in order to preferably arrange the lead-out wire of reactor winding 11 and resistor coil 12
The top of reactor winding 11 and the resistor coil 12 is provided with the first confluence frame 13-1, the reactor winding 11 and institute
The lower section for stating resistor coil 12 is provided with the second confluence frame 13-2, converges and is connected between frame and coil by insulating barrier 14,
The height of insulating barrier 14 is adjustable, and the height of insulating barrier 14 and the voltage class of product are related, such as 10kV product, and height is not
Lower than 70mm.According to practical application, when reactor winding 11 and resistor coil 12 are at parallel relationship, the reactor winding
11 end of incoming cables and the end of incoming cables of the resistor coil 12 are connect with the first confluence frame 13-1, and the first confluence frame 13-1 composition is whole
The lead of a device, which enters, holds A, and the parallel connection leading-out terminal is connect with the second confluence frame 13-2, the second entire dress of confluence frame 13-2 composition
The lead parallel connection outlet B set；When reactor winding 11 and resistor coil 12 are at series relationship, the reactor winding 11
End of incoming cables is connect with the first confluence frame 13-1, and the lead of the first confluence frame 13-1 composition whole device enters to hold A, the series connection outlet
Terminal 13-3 is the lead series connection outlet C of whole device, and the present embodiment is provided with multiple series connection outlet terminal 13-3, and resistance value exists
It is adjustable in a certain range, regulation stall can be preset, gear is set for example, by using rated value of resistance ± 5% and adjusts resistance,
Be conducive in engineering debugging process, the damping being optimal by adjusting resistance value.In addition, the reactor of the present embodiment
Coil 11 and resistor coil 12 can be connected in series, and also can be connected in parallel, and connection type is flexible, adjustable reactor line
The connection relationship of circle 11 and resistor coil 12, reaches more preferably damping.
To improve installation accuracy and reducing cost, whole device is only arranged in the second confluence frame 13-2 far from the side of coil
There is supporting insulator 15.The encapsulated layer of the present embodiment is integrally formed using the solidification of expoxy glass yarn, guarantees that whole device is being discharged
Dynamic stability performance under electric current.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.In protection model of the invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (10)
1. a kind of damping unit, it is characterised in that: including reactor winding (11) and resistor coil (12), resistor coil
(12) outside or reactor winding (11) that are wound on reactor winding (11) are wound on the outside of resistor coil (12), reactance
Device coil (11) and resistor coil (12) are provided with encapsulated layer, the leading-out terminal and resistor coil of reactor winding (11)
(12) leading-out terminal is connected, which is leading-out terminal in parallel, on resistor coil (12) and is located at resistor coil (12)
Series connection outlet terminal (13-3) is provided between end of incoming cables and leading-out terminal.
2. damping unit as described in claim 1, it is characterised in that: the reactor winding (11) and the resistor coil
(12) the first confluence frame (13-1), the lower section of the reactor winding (11) and the resistor coil (12) are provided with above
It is provided with the second confluence frame (13-2), converges and is connected between frame and coil by insulating barrier (14), the reactor winding
(11) end of incoming cables of end of incoming cables and/or the resistor coil (12) is connect with the first confluence frame (13-1), and the parallel connection goes out
Line end is connect with the second confluence frame (13-2).
3. damping unit as claimed in claim 2, it is characterised in that: the height of the insulating barrier (14) is adjustable.
4. damping unit as claimed in claim 2, it is characterised in that: side of second confluence frame (13-2) far from coil
It is provided with supporting insulator (15).
5. damping unit as described in claim 1, it is characterised in that: the reactor winding (11) and the resistor coil
(12) insulating stay (16) are provided between.
6. damping unit as described in claim 1, it is characterised in that: the resistor coil (12) includes at least one layer of positive and negative
The resistive conductor of direction helically coiling, is provided with insulating layer between same layer both forward and reverse directions resistive conductor, between adjacent two layers resistive conductor
It is provided with encapsulated layer or insulating layer, the leading-out terminal of upper one layer of resistive conductor is connected with the end of incoming cables of next layer of resistive conductor.
7. damping unit as claimed in claim 6, it is characterised in that: the series connection outlet terminal (13-3) is arranged at every layer just
The infall of reverse resistance line.
8. damping unit as claimed in claim 6, it is characterised in that: the insulating layer is using insulation heat proof material.
9. damping unit as claimed in claim 8, it is characterised in that: the insulating layer uses H class B insulation heat proof material.
10. damping unit as described in claim 1 or 6, it is characterised in that: the encapsulated layer is using expoxy glass yarn solidification one
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300043.6A CN109461570B (en) | 2018-11-02 | 2018-11-02 | Damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300043.6A CN109461570B (en) | 2018-11-02 | 2018-11-02 | Damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461570A true CN109461570A (en) | 2019-03-12 |
| CN109461570B CN109461570B (en) | 2024-02-09 |
Family
ID=65609285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300043.6A Active CN109461570B (en) | 2018-11-02 | 2018-11-02 | Damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461570B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295267Y (en) * | 1997-06-03 | 1998-10-21 | 无锡市泰波电抗器厂 | Dry hollow series reactor |
| CN2586231Y (en) * | 2002-12-10 | 2003-11-12 | 丹东市互感器厂 | High-flux reactor device |
| CN101599344A (en) * | 2009-03-31 | 2009-12-09 | 无锡市泰波电抗器有限公司 | Dry-type hollow parallel capacity regulating reactor |
| CN201946975U (en) * | 2011-02-23 | 2011-08-24 | 华东电力试验研究院有限公司 | Alternating-direct current current-limiting device |
| CN202093925U (en) * | 2011-05-26 | 2011-12-28 | 北京电力设备总厂 | Neutral point grounding dry type hollow reactor with adjustable resistance |
| CN102916414A (en) * | 2012-11-06 | 2013-02-06 | 上海市电力公司 | Direct current and alternating current limiting device |
| CN204946629U (en) * | 2015-07-26 | 2016-01-06 | 珠海蓝瑞盟电气有限公司 | The hollow noninductive resistor of a kind of high pressure dry |
| CN105428003A (en) * | 2015-11-30 | 2016-03-23 | 许继集团有限公司 | Hollow core splitting reactor |
| CN106710833A (en) * | 2017-01-16 | 2017-05-24 | 山东哈大电气有限公司 | Resistor type electric reactor and manufacturing method thereof |
| CN209374242U (en) * | 2018-11-02 | 2019-09-10 | 珠海蓝瑞盟电气有限公司 | A kind of damping unit |
-
2018
- 2018-11-02 CN CN201811300043.6A patent/CN109461570B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295267Y (en) * | 1997-06-03 | 1998-10-21 | 无锡市泰波电抗器厂 | Dry hollow series reactor |
| CN2586231Y (en) * | 2002-12-10 | 2003-11-12 | 丹东市互感器厂 | High-flux reactor device |
| CN101599344A (en) * | 2009-03-31 | 2009-12-09 | 无锡市泰波电抗器有限公司 | Dry-type hollow parallel capacity regulating reactor |
| CN201946975U (en) * | 2011-02-23 | 2011-08-24 | 华东电力试验研究院有限公司 | Alternating-direct current current-limiting device |
| CN202093925U (en) * | 2011-05-26 | 2011-12-28 | 北京电力设备总厂 | Neutral point grounding dry type hollow reactor with adjustable resistance |
| CN102916414A (en) * | 2012-11-06 | 2013-02-06 | 上海市电力公司 | Direct current and alternating current limiting device |
| CN204946629U (en) * | 2015-07-26 | 2016-01-06 | 珠海蓝瑞盟电气有限公司 | The hollow noninductive resistor of a kind of high pressure dry |
| CN105428003A (en) * | 2015-11-30 | 2016-03-23 | 许继集团有限公司 | Hollow core splitting reactor |
| CN106710833A (en) * | 2017-01-16 | 2017-05-24 | 山东哈大电气有限公司 | Resistor type electric reactor and manufacturing method thereof |
| CN209374242U (en) * | 2018-11-02 | 2019-09-10 | 珠海蓝瑞盟电气有限公司 | A kind of damping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109461570B (en) | 2024-02-09 |
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